A full battery again soonThe Battery Hub can be connected to a Mavic Air 2 charger or to the car charger, with which you can charge 3 extra batteries. The battery hub ensures that the batteries are charged efficiently, by charging the batteries successively and starting with the battery with the highest remaining energy level. This means that a battery is fully charged again faster. The battery hub can handle temperatures between 5 and 40 degrees. The full charging time of a battery is 1 hour and 40 minutes (depending on the temperature). The battery Hub is specially designed for the Mavic Air 2 Intelligent Flight Battery.